supply of battery operated motor trolleybattery operated motor trolley,supply, commissioning & installation of battery operated motor trolley for broad gauge track inspection with following technical specifications 1. pay load capacity: 1 ton (2) wheels: mild steel wheels with 320 mm dia (3) transmission: through automatic gear box (4) battery : 48 volt lithium battery, minim um 100 ah (indigenous). (5 ) drive : bldc electric motor minimum 1500 watt with controller and converter. (6 ) charger : 25 amperes (indigenous) (7) brakes: drum brake system (8) base frame: stainless steel tube s (9) axle: 38 mm diameter, ms & ss made (10) bearings : bearings made from reputed isi manufacturers l ike skf & nrb (11) seating arrangement: comfortable 3 chairs made with stainless steel shall be arranged in front row & 3 seater sofa in second row additional seating for 3 persons shall be arranged at the back. (1 2) canopy: ss pipe 25 x25mm & canvas roof cover (13)running range with fully charged batteries- 80km t o 100 km (14) speed: maximum speed-30 kmph. make / brand : kelvin warranty period: (up to 30 months from the date of supply) [ warranty period: 30 months after the date of delivery ] ]